406484965 has 4 divisors (see below), whose sum is σ = 487781964. Its totient is φ = 325187968.

The previous prime is 406484933. The next prime is 406484971. The reversal of 406484965 is 569484604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 149010849 + 257474116 = 12207^2 + 16046^2 .

It is a cyclic number.

It is not a de Polignac number, because 406484965 - 2⁵ = 406484933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40648492 + ... + 40648501.

It is an arithmetic number, because the mean of its divisors is an integer number (121945491).

Almost surely, 2^406484965 is an apocalyptic number.

It is an amenable number.

406484965 is a deficient number, since it is larger than the sum of its proper divisors (81296999).

406484965 is an equidigital number, since it uses as much as digits as its factorization.

406484965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81296998.

The product of its (nonzero) digits is 829440, while the sum is 46.

The square root of 406484965 is about 20161.4722924691. The cubic root of 406484965 is about 740.7667758163.

The spelling of 406484965 in words is "four hundred six million, four hundred eighty-four thousand, nine hundred sixty-five".